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Search: id:A127916
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| A127916 |
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Number of n-digit palindromes in bases 2 and 10. Also difference of A120764(n). |
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+0
1
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| 6, 2, 3, 2, 6, 1, 7, 1, 3, 2, 4, 2, 10, 1, 2, 2, 7, 2, 2, 3, 2, 0, 4, 0, 6, 1, 6, 1, 5, 1, 2, 0, 3
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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P. De Geest, Palindromic numbers beyond base 10
Charlton Harrison, Binary/Decimal Palindromes
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EXAMPLE
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Palindromes in bases 2 and 10 are (A007632): 0, 1, 3, 5, 7, 9, 33, 99, 313, 585, 717, 7447, 9009, 15351, 32223... So a(1)=6 one-digit numbers, a(2)=2 two-digit palindromes and so on.
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CROSSREFS
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Cf. A120764, A007632.
Adjacent sequences: A127913 A127914 A127915 this_sequence A127917 A127918 A127919
Sequence in context: A065280 A062614 A055942 this_sequence A021620 A093408 A094775
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KEYWORD
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base,nonn
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AUTHOR
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Anton Chupin (chupin(AT)icmm.ru), Apr 08 2007
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